Sn
[计] 顺序号\\n[医] 锡(50号元素)
✅ 同义词
🗣️ 情景例句
It's hard for some older people to take all that noise.
一些老年人没办法忍受那些噪音。
I know the boy whose father is a merchant.
我知道那个男孩的父亲是商人。
What about her money belt?
那她装钱的腰包呢？